For item no. 14 to no. 15. The area is bounded by the curves y = 2x + 1.y= 0, x= 0, and x=4. 14. What are the limits if vertical element of area is used? (Submit your COMPLETE solution). A. - to 9 b. to 4 C. 0 to 9 d 0 to 4 e. 4 to 9 f. N 15. The computed area of the region is sq. units. (Submit your COMPLETE solution). A. 90 b. 88 C. 50 d 18 e. 20 f. N